package com.ticket.common.utils.sms;
import org.springframework.security.authentication.AuthenticationProvider;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;

/**
 * 短信登陆鉴权 Provider，要求实现 AuthenticationProvider 接口
 *
 * @author gmk
 */
public class OpenIdAuthenticationProvider implements AuthenticationProvider {
    private UserDetailsService userDetailsService;

    @Override
    public Authentication authenticate(Authentication authentication) throws AuthenticationException {
        OpenIdAuthenticationToken authenticationToken = (OpenIdAuthenticationToken) authentication;
        String telephone = (String) authenticationToken.getPrincipal();
        UserDetails userDetails = userDetailsService.loadUserByUsername(telephone);
        // 此时鉴权成功后，应当重新 new 一个拥有鉴权的 authenticationResult 返回
        OpenIdAuthenticationToken authenticationResult = new OpenIdAuthenticationToken(userDetails, userDetails.getAuthorities());
        authenticationResult.setDetails(authenticationToken.getDetails());
        return authenticationResult;
    }

    @Override
    public boolean supports(Class<?> authentication) {
        // 判断 authentication 是不是 SmsCodeAuthenticationToken 的子类或子接口
        return OpenIdAuthenticationToken.class.isAssignableFrom(authentication);
    }

    public UserDetailsService getUserDetailsService() {
        return userDetailsService;
    }

    public void setUserDetailsService(UserDetailsService userDetailsService) {
        this.userDetailsService = userDetailsService;
    }
}
